Step 5 : Flash and Boot the OS
==============================

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   .. tab-item:: Flash and Boot the OS

        * In this program, you are going to learn


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                * How to ?


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        Topics in this section,

                * :ref:`Flash and Boot <zephyr_rpi_step7_0>`


.. _zephyr_rpi_step7_0:

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   .. tab-item:: Flash and Boot

        * Open one normal linux terminal and run minicom once you plug in the board.

        .. code-block:: c

                sudo minicom -D /dev/serial/by-id/usb-STMicroelectronics_STM32_STLink_0669FF30304B4E3043024711-if02 -b 115200

        * You should see the following output 

        .. code-block:: text

                Welcome to minicom 2.8
 
                OPTIONS: I18n 
                Port /dev/serial/by-id/usb-STMicroelectronics_STM32_STLink_0669FF30304B4E3043024711-if02, 21:01:28
 
                Press CTRL-A Z for help on special keys
 
                *** Booting Zephyr OS build zephyr-v3.5.0-4086-g0a8d03b95f84 ***
                Hello World! nucleo_g0b1r

        * Now run west flash in the venv terminal

        .. code-block:: c

                $ west flash

                -- west flash: rebuilding
                [1/1] cd /home/test/zephyrproject/zephyr/build/zephyr && /home/test/zephyrproject/.venv/bin/python3 ...ts/build/check_init_priorities.py --elf-file=/home/test/zephyrproject/zephyr/build/zephyr/zephyr.elf
                -- west flash: using runner stm32cubeprogrammer
                      -------------------------------------------------------------------
                                        STM32CubeProgrammer v2.15.0
                      -------------------------------------------------------------------

                ST-LINK SN  : 0669FF30304B4E3043024711
                ST-LINK FW  : V2J37M27
                Board       : NUCLEO-G0B1RE
                Voltage     : 3.24V
                SWD freq    : 4000 KHz
                Connect mode: Under Reset
                Reset mode  : Hardware reset
                Device ID   : 0x467
                Revision ID : Rev Z
                Device name : STM32G0B0xx/B1xx/C1xx
                Flash size  : 512 KBytes
                Device type : MCU
                Device CPU  : Cortex-M0+
                BL Version  : 0x92



                Memory Programming ...
                Opening and parsing file: zephyr.hex
                  File          : zephyr.hex
                  Size          : 13.62 KB
                  Address       : 0x08000000


                Erasing memory corresponding to segment 0:
                Erasing internal memory sectors [0 6]
                Download in Progress:
                [==================================================] 100%

                File download complete
                Time elapsed during download operation: 00:00:00.451

                RUNNING Program ...
                  Address:      : 0x8000000
                Application is running, Please Hold on...
                Start operation achieved successfully